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BACKGROUND Chronic dermal ulcers are also referred to as refractory ulcers. This study was conducted to elucidate the therapeutic effect of laser on chronic dermal ulcers and the induced expression of heat shock factor 1 (HSF1) and heat shock protein 70 (HSP70) in wound tissues. METHODS Sixty patients with 84 chronic dermal ulcers were randomly divided(More)
Tumorigenesis is a complex and dynamic process, consisting of three stages: initiation, progression, and metastasis. Tumors are encircled by extracellular matrix (ECM) and stromal cells, and the physiological state of the tumor microenvironment (TME) is closely connected to every step of tumorigenesis. Evidence suggests that the vital components of the TME(More)
AIM Several studies have reported the prevalence of depressive symptoms in the urban population of China, but no study reports the prevalence of depression in rural left-behind elderly. The present study investigated the prevalence of depression and the associated factors that influence depression in the left-behind elderly population in a rural area of(More)
MicroRNAs are regulatory factors that play important roles in tumor development, invasion and metastasis. Previously, we showed that miR-199a is abnormally expressed in clinical melanoma specimens and expression was closely associated with clinical features of metastasis. However, the exact molecular mechanisms by which miR-199a-5p influences melanoma(More)
The flotillin (Flot) protein family has been demonstrated to be involved in the development and progression of various cancers. However, the role of Flot2 in gastric carcinomas remains unknown. The present study aimed to investigate the clinical significance and the role of Flot2 in gastric carcinomas. Data of tissue microarray including 90 cases of gastric(More)
OBJECTIVE To study the biological characteristics of human endostatin (hEndo) gene transfected adult skin melanoma cells in vitro and in vivo. METHODS The plasmid pcDNA3.1 (-)-hEndo was transfected into adult skin melanoma cells by electroporation, and then the stable clones were selected with G418. The transcription and expression of hEndo gene in the(More)
Saikosaponin A (SSA) is a major triterpenoid saponin isolated from Radix bupleuri (RB), a widely used Chinese traditional medicine to treat various inflammation-related diseases. The aim of this study was to investigate the anti-inflammatory activity, as well as the molecular mechanism of SSA in lipopolysaccharide (LPS)-stimulated RAW 264.7 cells. In this(More)
BACKGROUND Our previous findings showed that miR-33 expressed abnormally in clinical specimens of melanoma, but the exact molecular mechanism has not been elucidated. OBJECT To determine miR-33's roles in melanoma and confirm whether HIF-1α is a direct target gene of miR-33a. METHODS First miR-33a/b expression levels were detected in HM, WM35, WM451,(More)
To confirm whether flotillin 2 (FLOT2) is a direct target of miR-34a and miR-34a/FLOT2 pathway plays a key role in melanoma proliferation and metastasis. First, miR-34a and FLOT2 expressions were both detected in human tissues and cell lines by qRT-PCR. Then, after transfection of mimics/inhibitor of miR-34a into melanoma cell lines, MTT, colony formation,(More)
MicroRNAs (miRs) have been demonstrated to play critical roles in the development and progression of malignant melanoma (MM). However, the exact role and underlying mechanism of miR-18b in MM growth remains unclear. In the present study, real-time PCR data indicated that miR-18b was significantly downregulated in MM tissues compared to their matched(More)